CS4265_07 Datasheet, PDF (19/56 Pages) Cirrus Logic – 104 dB, 24-Bit, 192 kHz Stereo Audio CODEC

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT
Logic ‘0’ = DGND = AGND = 0 V; Logic ‘1’ = VL, C_L = 20 pF. (Note 23)
Parameter
Symbol Min
Typ
Sample Rate
Single-Speed Mode Fs
4
-
Double-Speed Mode Fs
50
-
Quad-Speed Mode Fs
100
-
MCLK Specifications
MCLK Frequency
fmclk
1.024
-
MCLK Input Pulse Width High/Low
tclkhl
8
-
MCLK Output Duty Cycle
45
50
Master Mode
LRCK Duty Cycle
-
50
SCLK Duty Cycle
-
50
SCLK falling to LRCK edge
SCLK falling to SDOUT valid
SDIN valid to SCLK rising setup time
SCLK rising to SDIN hold time
Slave Mode
t_slr
-10
-
t_sdo
0
-
t_sdis
16
-
t_sdih
20
-
LRCK Duty Cycle
40
50
SCLK Period
Single-Speed Mode t_sclkw
(^---1^---2^1---8^-0--)^-9--F^----s^-
-
Double-Speed Mode t_sclkw
(^---6^--1-4^--0-)^---F^9----s^-
-
Quad-Speed Mode t_sclkw
(^---6^--1-4^--0-)^---F^9----s^-
-
SCLK Pulse Width High
SCLK Pulse Width Low
SCLK falling to LRCK edge
SCLK falling to SDOUT valid
SDIN valid to SCLK rising setup time
SCLK rising to SDIN hold time
23. See Figures 3 and 4 on page 20.
t_sclkh
30
-
t_sclkl
48
-
t_slr
-10
-
t_sdo
0
-
t_sdis
16
-
t_sdih
20
-
CS4265
Max
50
100
200
51.200
-
55
-
-
10
36
-
-
60
-
Unit
kHz
kHz
kHz
MHz
ns
%
%
%
ns
ns
ns
ns
%
ns
-
ns
-
ns
-
ns
-
ns
10
ns
36
ns
-
ns
-
ns
DS657F2
19